Geological Survey (U.S.), Skipp, B., & Hepp, M. (1968). Geologic map of the Hatfield Mountain quadrangle, Gallatin County, Montana. U.S. Geological Survey.
Chicago Style (17th ed.) CitationGeological Survey (U.S.), Betty Skipp, and Mary-Margaret Hepp. Geologic Map of the Hatfield Mountain Quadrangle, Gallatin County, Montana. Reston, Va.: U.S. Geological Survey, 1968.
MLA (9th ed.) CitationGeological Survey (U.S.), et al. Geologic Map of the Hatfield Mountain Quadrangle, Gallatin County, Montana. U.S. Geological Survey, 1968.
Warning: These citations may not always be 100% accurate.